2004-138 - Laserfiche WebLink

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1 . 08 SUBMITTALS Before starting fabrication of the cast iron pipe and fittings , complete detailed working drawings shall be submitted by the Contractor for approval by the Engineer. Such drawings shall show the piping layouts and contain schedules of all pipe , fittings , valves , and expansion joints , hangers and supports , and other appurtenances . Where special fittings are required , they shall be shown in large detail with all necessary dimensions . The drawings submitted shall show flanged jointed sections placed so as to be removable without disturbance to the main pipe sections . ' 1 . 09 MARKING ' Number 10 single conductor copper trace wire shall be spiral wrapped or affixed to the top of the pipe . See trace wire detail M- 16 for specifications regarding installation . 1910 INSTALLATION OF WATER MAINS Unless otherwise noted on the drawings or in other sections of this specification , the pipe shall be handled and installed in strict accordance with the manufacturer's instructions and with the applicable provisions of AWWA C600. If a conflict exists between the manufacturer's instructions and the AWWA Standards , the manufacturer's instructions shall govern . The contractor shall use every precaution during construction to protect the pipe against the entry of non -potable water, dirt , wood , small animals , ' and any other foreign material that would hinder the operation of the pipe line . Where the groundwater elevation is above the bottom of the trench , the Contractor shall provide suitable dewatering equipment at no ' additional cost to the Owner. All piping shall be placed in a dry trench , unless wet trench installation is approved by the Engineer. ' Depth of Cover and Pipe Elevation : Unless otherwise shown on the drawings , or otherwise authorized by the Engineer, all pipe shall have a minimum cover of 36 inches . Contractor shall determine top of pipe ' elevation and top of ground elevation for every two joints of pipe installed using a level . Pipe must have the minimum cover described above and must be within +/- 0 . 2 feet of the top of pipe elevation indicated on the ' drawings . Installed pipe which does not meet these requirements shall be reinstalled until it does meet these requirements . Contractor shall record top of pipe and top of ground elevations and the locations of where these elevations were determined and submit this information to Engineer ' or his representative . Engineer reserves the right to have Contractor excavate and check top of pipe and top of ground elevations to see if they conform to the aforementioned requirements , at no cost to the Owner. END OF SECTION ' 02625 - 4 FAUtilities\UTILITY - ENGINEERING\WTP - North RO\N RO Brine Line Discharge - UCP#2208\BID DOCUMENTS North ' County RO\BID DOCUMENTS\02625 WM Ductile Iron Pipe and Fittings. doc